(9)かっこのない計算 (解答) | 学習日 月 日( ) | |||
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1 | 3−5 = −2 |
2 | −3−4 = −7 |
3 | −4+8 = +4 |
4 | −9+6 = −3 |
5 | −1−8 = −9 |
6 | 4−7 = −3 |
7 | −9+1 = −8 |
8 | −5+2 = −3 |
9 | −12+10 = −2 |
10 | −18+18 = 0 |
11 | −20+15 = −5 |
12 | −25−25 = −50 |
13 | 9−5+4 =+4+4= +8 |
14 | 10−6−8 =10−14= −4 |
15 | −2+5−1 =+5−2−1=+5−3=+2 |
16 | −7−3+5 =+5−7−3 =+5−10= −5 |
17 | 15−8−12+10 =+15+10−8−12 =+25−20=+5 |
18 | −18+4+11−2 =+4+11−18−2 =+15−20= −5 |
19 | 0−3.6−1.2 = −4.8 |
20 | −+− =+−− =+−= −1 |
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